package cn.lixin.hrm.handler;

import com.alibaba.druid.support.json.JSONUtils;
import org.springframework.security.core.AuthenticationException;
import org.springframework.security.web.authentication.AuthenticationFailureHandler;
import org.springframework.stereotype.Component;

import javax.servlet.ServletException;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.io.IOException;
import java.io.PrintWriter;
import java.util.HashMap;
@Component
public class MyAuthenticationFailHandler implements AuthenticationFailureHandler {

    /**
     * 认证失败 -- 登录
     * @param httpServletRequest
     * @param httpServletResponse
     * @param e
     * @throws IOException
     * @throws ServletException
     */
    @Override
    public void onAuthenticationFailure(HttpServletRequest httpServletRequest, HttpServletResponse httpServletResponse, AuthenticationException e) throws IOException, ServletException {
        HashMap<String, Object> map = new HashMap<>();
        map.put("success",false);
        map.put("msg","登录失败，检查你的用户名和密码");
        httpServletResponse.setContentType("application/json;charset=utf-8");
        PrintWriter writer = httpServletResponse.getWriter();
        String string = JSONUtils.toJSONString(map);
        writer.write(string);
        writer.close();
    }
}
